10344220220 has 24 divisors (see below), whose sum is σ = 21784415184. Its totient is φ = 4125963776.

The previous prime is 10344220171. The next prime is 10344220267. The reversal of 10344220220 is 2202244301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10344220192 and 10344220201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725534 + ... + 739653.

It is an arithmetic number, because the mean of its divisors is an integer number (907683966).

Almost surely, 2^10344220220 is an apocalyptic number.

10344220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10344220220 is an abundant number, since it is smaller than the sum of its proper divisors (11440194964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10344220220 is a wasteful number, since it uses less digits than its factorization.

10344220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465549 (or 1465547 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10344220220 its reverse (2202244301), we get a palindrome (12546464521).

The spelling of 10344220220 in words is "ten billion, three hundred forty-four million, two hundred twenty thousand, two hundred twenty".